Winbond Electronics Corporation W25Q16DVZPIQ
- Part No.:
- W25Q16DVZPIQ
- Manufacturer:
- Winbond Electronics Corporation
- Category:
- Memory
- Package:
- 8-WDFN Exposed Pad
- Datasheet:
-
W25Q16DVZPIQ.pdf
- Description:
- IC FLASH 16MBIT SPI/QUAD 8WSON
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
W25Q16DVZPIQ from Winbond is a 16 M-bit (2 MB) serial NOR flash memory IC supporting Standard, Dual, and Quad SPI interfaces with up to 104 MHz clock frequency, 4 KB uniform sector erase granularity, and true execute-in-place (XIP) capability for embedded code storage and boot applications. It operates from a single 2.7–3.6 V supply, draws 4 mA active current and <1 µA in power-down mode, and is rated for -40°C to +85°C industrial temperature range.
For engineers reviewing the W25Q16DVZPIQ datasheet, W25Q16DVZPIQ pinout, W25Q16DVZPIQ application, or W25Q16DVZPIQ equivalent, key selection criteria include Quad SPI enable (QE bit), 4 KB sector protection flexibility, JEDEC ID/Unique ID support, and compatibility with SPI Mode 0/3 timing requirements in resource-constrained microcontroller systems.
Technical Context
The W25Q16DVZPIQ implements a unified SPI command set with three operational modes: Standard SPI (DI/DO), Dual SPI (IO0/IO1), and Quad SPI (IO0–IO3), where /WP and /HOLD become bidirectional I/O pins only when the non-volatile Quad Enable (QE) bit in Status Register-2 is set. Its architecture includes a 256-byte page buffer, 512 erasable 4 KB sectors, and 32 erasable 64 KB blocks, enabling fine-grained data logging and firmware partitioning.
It supports hardware write protection via /WP and /HOLD pins (active-low), software-based block/sector protection using BP2–BP0, TB, SEC, and CMP bits, and security features including three 256-byte OTP-locked security registers, SFDP register for discoverable parameters, and 64-bit unique serial number. Erase/program suspend/resume functionality enables concurrent background operations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 16 M-bit (2,097,152 bytes), organized as 8,192 × 256-byte pages |
| Interface Support | Standard/Dual/Quad SPI with Mode 0 (CPOL=0, CPHA=0) and Mode 3 (CPOL=1, CPHA=1) compatibility |
| Max Clock Frequency | 104 MHz for Quad SPI; enables 416 MHz effective throughput (104 MHz × 4 lines) |
| Erase Granularity | Uniform 4 KB sectors (512 total), 32 KB blocks (64 total), 64 KB blocks (32 total), and full chip erase |
| Write Endurance | ≥100,000 program/erase cycles per sector, ensuring long-term reliability in firmware update scenarios |
| Data Retention | ≥20 years at +85°C, validated for industrial lifecycle requirements without refresh |
| Supply Voltage | 2.7 V to 3.6 V single supply; no external voltage regulators needed in 3.3 V systems |
| Power Consumption | 4 mA typical active current; <1 µA deep power-down current for battery-backed systems |
Pinout & Package
W25Q16DVZPIQ is packaged in an 8-pin SOIC 208-mil (package code SS), with gull-wing leads, 1.27 mm pitch, and RoHS-compliant matte tin finish. Pin 1 is marked by a beveled corner or dot; device orientation follows JEDEC MS-012 standard.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 /CS | Chip Select Input | Active-low enable: high = high-impedance DO, low = active SPI communication; must transition high→low after power-up before first instruction |
| 2 DO (IO1) | Data Output / Quad I/O Line 1 | Unidirectional output in Standard SPI; bidirectional I/O in Dual/Quad modes; used for Fast Read Dual Output (3Bh) and Quad I/O instructions |
| 3 /WP (IO2) | Write Protect Input / Quad I/O Line 2 | Hardware lock for status register writes; repurposed as IO2 when QE=1; requires external pull-up if unused in Quad mode |
| 4 GND | Ground Reference | Primary return path for VCC and all I/O signals; must be low-inductance connection to minimize noise during high-speed reads |
| 5 DI (IO0) | Data Input / Quad I/O Line 0 | Unidirectional input in Standard SPI; bidirectional I/O in Dual/Quad modes; carries commands, addresses, and program data on CLK rising edge |
| 6 CLK | Serial Clock Input | Master-generated timing signal; supports up to 104 MHz; edge-triggered (rising for input, falling for output); must meet setup/hold timing per AC specs |
| 7 /HOLD (IO3) | Hold Input / Quad I/O Line 3 | Pauses ongoing SPI transaction while /CS remains low; repurposed as IO3 when QE=1; active-low, requires pull-up if unused |
| 8 VCC | Power Supply | 2.7–3.6 V nominal; decoupling capacitor (0.1 µF ceramic) required within 5 mm of pin for stable high-frequency operation |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPI XIP Enable | Non-volatile QE bit in Status Register-2 allows true execute-in-place from flash without RAM copy, reducing boot latency and BOM cost |
| Continuous Read Mode | As few as 8 clocks overhead to initiate read; supports wrap lengths of 8/16/32/64 bytes for burst-aligned access in MCU cache line fetches |
| Flexible Sector Protection | Software-configurable top/bottom 4 KB sector locking via BP2–BP0 and TB bits, enabling secure bootloader + application partitioning |
| Security Register Locks | Three 256-byte OTP-locked security registers for storing keys, calibration data, or device-specific credentials inaccessible to standard read commands |
| JEDEC & Unique ID | Standard 16-bit JEDEC manufacturer/device ID (EFh/4015h) plus 64-bit globally unique serial number for traceability and anti-cloning |
| Erasing Suspend/Resume | Allows temporary halt of sector/block erase to service urgent read/write requests, critical for real-time firmware update pipelines |
Applications
| IoT Edge Node Firmware Storage | Industrial PLC Boot Memory |
|---|---|
Use Scenario: Storing signed firmware images and configuration parameters in battery-powered wireless sensor nodes with limited PCB area. IC Role / Device Role / Timing Role: Primary non-volatile code storage accessed via Quad SPI at 80 MHz during cold boot; provides XIP execution for fast wake-up. Use Value: 4 KB sector granularity enables atomic OTA updates without erasing entire application; <1 µA power-down current extends battery life beyond 5 years. |
Use Scenario: Holding boot loader, FPGA configuration bitstream, and runtime parameter tables in DIN-rail mounted programmable logic controllers. IC Role / Device Role / Timing Role: Dual SPI interface delivers 208 MHz effective throughput to feed ARM Cortex-M7 core during deterministic boot sequence. Use Value: Hardware /WP and software BP bits prevent accidental corruption of safety-critical boot code; -40°C to +85°C rating ensures field reliability. |
| Automotive Infotainment HMI | Medical Diagnostic Device UI |
Use Scenario: Hosting GUI assets, font libraries, and localized language strings in automotive head units requiring AEC-Q100 alignment. IC Role / Device Role / Timing Role: Quad I/O interface (EBh instruction) streams compressed UI textures directly to display controller over SPI bus. Use Value: 100,000+ erase cycles support frequent UI version upgrades across vehicle lifetime; SFDP register enables automatic driver configuration. |
Use Scenario: Storing FDA-compliant calibration profiles, audit logs, and regulatory documentation in portable ultrasound or ECG devices. IC Role / Device Role / Timing Role: Secure storage for encrypted calibration data using OTP-locked security registers; accessed only by trusted boot ROM. Use Value: 64-bit unique ID binds calibration records to specific hardware unit; 20-year data retention meets medical device archival requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar serial NOR flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MX25L1606EM1I-12G | Same density (16 M-bit), but max Quad SPI clock 80 MHz; lacks SFDP register and OTP security registers | Suitable for cost-sensitive consumer electronics where advanced security and auto-configuration are not required | Prefer W25Q16DVZPIQ when XIP performance >300 MB/s or security register isolation is mandated |
| S25FL116K0XMFI041 | 16 M-bit, 104 MHz Quad SPI, but uses different status register layout and lacks /HOLD pin function in Quad mode | Better suited for Cypress-compatible ecosystems; requires firmware adaptation for QE bit handling and hold behavior | Choose W25Q16DVZPIQ for drop-in replacement in existing Winbond-based designs with minimal driver changes |
Compared with MX25L1606EM1I-12G and S25FL116K0XMFI041, W25Q16DVZPIQ delivers higher sustained throughput via 104 MHz Quad SPI, integrated SFDP for plug-and-play driver initialization, and dedicated OTP-locked security registers-making it optimal for safety-aware, upgradable embedded systems requiring guaranteed data integrity and long-term firmware agility.
Availability
W25Q16DVZPIQ is available at Aetrix Electronics and suitable for IoT edge node firmware storage, industrial PLC boot memory, and automotive infotainment HMI applications requiring stable component supply, long-lifecycle support, and RoHS-compliant packaging.
Supply support for W25Q16DVZPIQ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Winbond Electronics is a Taiwan-based semiconductor company specializing in specialty DRAM, serial flash, and mobile DRAM solutions for embedded, communications, and consumer markets.
The W25Q series was designed specifically for high-performance, space-constrained embedded systems requiring reliable code storage, fast XIP execution, and flexible data partitioning-targeting microcontroller-based applications from wearables to industrial gateways.
FAQ
What is the maximum supported clock frequency for W25Q16DVZPIQ in Quad SPI mode?
The W25Q16DVZPIQ supports up to 104 MHz clock frequency in Quad SPI mode, enabling an effective data transfer rate of 416 MHz (104 MHz × 4 I/O lines). This is confirmed in the "Electrical Characteristics" section (Section 8.6) of the official datasheet, with timing validated under VCC = 3.0 V to 3.6 V and TA = -40°C to +85°C. The W25Q16DVZPIQ achieves this using Fast Read Quad I/O (EBh) and Word Read Quad I/O (E7h) instructions.
Does W25Q16DVZPIQ support execute-in-place (XIP) operation, and what conditions are required?
Yes, W25Q16DVZPIQ supports true execute-in-place (XIP) operation via its Continuous Read Mode, which reduces instruction overhead to as few as 8 clock cycles per address access. To enable XIP, the device must be configured in Quad SPI mode (QE bit = 1 in Status Register-2), and the host controller must issue Fast Read Quad I/O (EBh) or similar burst-read instructions. The 4 KB uniform sector architecture further supports atomic code updates without disrupting active execution.
How is hardware write protection implemented on W25Q16DVZPIQ, and can it coexist with Quad SPI mode?
Hardware write protection on W25Q16DVZPIQ is implemented using the active-low /WP pin, which locks writes to the status register when asserted. However, in Quad SPI mode (QE = 1), the /WP pin is repurposed as IO2 and cannot serve its hardware protection function. Therefore, hardware /WP protection is mutually exclusive with Quad SPI operation; designers must rely on software-based protection (BP2–BP0, TB, SEC bits) when using Quad I/O interfaces.
What package type does the part number W25Q16DVZPIQ correspond to, and what are its key mechanical attributes?
W25Q16DVZPIQ uses the 8-pin SOIC 208-mil package (package code SS), per Winbond's ordering information table. It features gull-wing leads, 1.27 mm lead pitch, 5.33 mm body width, and 10.16 mm body length. The "ZPIQ" suffix explicitly denotes this industrial-grade SOIC variant with Pb-free matte tin plating and tape-and-reel packaging compliant with J-STD-020 moisture sensitivity level 3.
Does W25Q16DVZPIQ include unique identification and security features beyond basic write protection?
Yes, W25Q16DVZPIQ includes a factory-programmed 64-bit unique serial number accessible via Read Unique ID Number (4Bh) instruction, three 256-byte security registers with OTP (one-time-programmable) lock bits, and SFDP (Serial Flash Discoverable Parameters) register for standardized driver auto-configuration. These features are documented in Sections 7.2.34, 7.2.37–7.2.39, and 7.2.36 of the datasheet and are fully functional in the W25Q16DVZPIQ variant.
W25Q16DVZPIQ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Winbond Electronics Corporation
- Series:
- SpiFlash®
- Package/Case:
- 8-WDFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Discontinued at Digi-Key
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH - NOR
- Memory Size:
- 16Mbit
- Memory Organization:
- 2M x 8
- Memory Interface:
- SPI - Quad I/O
- Clock Frequency:
- 104 MHz
- Write Cycle Time - Word, Page:
- 50µs, 3ms
- Access Time:
- -
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-WSON (6x5)
W25Q16DVZPIQ FAQ
1.How can I place an order for W25Q16DVZPIQ through Aetrix?
Please submit a Request for Quotation (RFQ) for W25Q16DVZPIQ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for W25Q16DVZPIQ reliable?
The price and inventory of W25Q16DVZPIQ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for W25Q16DVZPIQ is usually 5 days.
3.What payment methods are accepted for W25Q16DVZPIQ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for W25Q16DVZPIQ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for W25Q16DVZPIQ?
W25Q16DVZPIQ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your W25Q16DVZPIQ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for W25Q16DVZPIQ?
For technical support, including W25Q16DVZPIQ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your W25Q16DVZPIQ requirements.
6.How does Aetrix verify that W25Q16DVZPIQ is sourced from the original manufacturer or authorized distributors?
All W25Q16DVZPIQ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that W25Q16DVZPIQ meets industry standards.
7.What is the process for return or replacement of W25Q16DVZPIQ?
All W25Q16DVZPIQ units undergo pre-shipment inspection (PSI). If there is an issue with W25Q16DVZPIQ, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The W25Q16DVZPIQ part is unused and in its original packaging.
Return procedure for W25Q16DVZPIQ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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